Special and General Relativity Forum

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Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.
Undergrad Light vs Light: What Does it Look Like?
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Undergrad Information traveling faster than light?
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Graduate Differential Geometry/Topology in GR: Research Needed?
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Graduate Christoffel Coefficient Defined: Exploring Beyond the Metric Tensor
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Graduate How to Prove Lorentz Invariance of Volume Element in Momentum Space?
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Graduate Can we slow down a photon's velocity to 0?
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Graduate Inertial dependence upon local matter
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Undergrad Defining Special Relativity & General Relativity
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Graduate Understanding SR/GR: Tips and Tricks for Intuitive Comprehension
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Graduate Relative speed of tachyons greater than c?
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Graduate What would happen if a spinning space station reached the speed of light?
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Graduate Is the Spacetime Interval Truly Invariant Across Different Reference Frames?
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Graduate Twin Paradox: Why Twin On Ship Ages Slower?
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Graduate General newbie questions regarding the speed of light
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Graduate Koide and Kodama on relativistic brownian motion
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Graduate Dude, where's my anti-graviton?
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Graduate Can Kindergarten STR Math Solve Polchinski's Paradox?
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Graduate C independent of observer and emitter
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Graduate How would you observe outside events on a spacecraft?
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Graduate How can we calculate a rest mass?
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Graduate About the Non-paradoxicality of the Twin Paradox
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Graduate Thought Experiment on ToR postulate-1
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Graduate Schwarzchild solution and orbit precession
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Graduate Gravity and Photon Relationship: Understanding Red and Blue Shift
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Graduate How to get inverse Lorentz tranformation from direct Lorentz transformation
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Undergrad Relativity: Inertial vs. Coordinate Systems Explained
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Graduate High Energy Gamma Rays Go Slower Than the Speed of Light?
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Graduate Can SR Postulates 1 and 2 Be Derived from Each Other?
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High School Understanding Time Dilation: How Fast Do You Have to Go?
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High School Does Heating a Battery Affect Its Weight and Energy Storage?
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Graduate How can empty space expand? (Reality behind the GR equations.)
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Graduate Special Relativity GRE Question
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Graduate Special relativity - observing spinning objects
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Graduate Michelson- Morley's experiment
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Graduate Reference frames for photon collisions
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Graduate What is the gauge group of general relativity?
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Graduate Gravitational Interaction of Relatively Moving Bodies: Does Aberration Apply?
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Undergrad Why do like charges and poles repel in the long run?
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Graduate Mass & Gravity of Photon at Light Speed
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Graduate Derivation of Lorentz Transformation
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Graduate Relativistic De Broglie Relation
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Reforming Society's Perception: The Relativity of Age in Relationships
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Graduate Help with a thought experiment.
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Graduate Silly question about special relativity
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Graduate Simple lorentz trans. question
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High School Relativity: The Most Beautiful Theory in Physics
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Undergrad Photons and Relativity: A Question of Speed and Time
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Graduate Relativistic Orbits: Can Mass Increase Keep Planets Together?
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Graduate Why doesn't DEceleration add mass as well?
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Undergrad Electric field and gravitational field
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Graduate Is there something special about standing on a planet?
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Graduate How Would Gravity Behave with a Four-Component Mass Current as Its Source?
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High School What Does "Twin B Being 3 Years Younger" Mean? An Explanation from My Cousin
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Graduate What Happens to Time on a Moving Vehicle?
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Graduate Group velocity and speed of information
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Graduate What kind of a bomb? answer:the exploding kind.
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Graduate Changing of one of the previous topics
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Graduate Speed of Light vs Refractive Index: Does It Violate Relativity?
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Graduate The runner on the train paradox.
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Graduate Spacetime - it warps, it curves, but can't expand?
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Undergrad Why can't a photon exceed the speed of light?
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Undergrad Special relativity & length contraction
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Graduate What Happens to Time When Traveling Near the Speed of Light?
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Graduate Can someone give me a good plausible answer
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Graduate Tensors: Lorentz vs Galilean invariance
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Graduate Is the Universe a Spiral Cone Leading to a New Big Bang?
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Graduate What is the Meaning of 4-Momenta and How is it Used?
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Graduate Is There Physical Significance to Imaginary Dimensions in Space-Time?
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Undergrad Understanding the Relationship Between Moving Electrons and Magnetic Fields
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Graduate Electric / magnetic field transformations
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Undergrad Modern Physics: Center of Momentum Speed
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Graduate Distance & Relativity: Does Light Experience Distance?
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Graduate Experimental proofs of increase of mass with v
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Undergrad What is the true nature of time and its relationship to space?
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Graduate What Happens at the Event Horizon of a Black Hole?
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Graduate Thought Experiment - Measuring speed of light
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Graduate How Do We Know Gravity Is A Force?
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Graduate Variations, Euler-Lagrange, and Stokes
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Graduate Understanding the Robertson-Walker Metric with Curvature Normalization
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Graduate Dr. Robert Forward's curvature gradient detector
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Graduate Does Light Travel Differently in Einstein's Train Experiment?
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Graduate How to measure the lack of external force during free fall?
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Graduate Does the shape of the curve, that is produced in space by a mass, have a name ?
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Graduate Time does not run slower or faster
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Graduate Approximation of the FE feat. loose notation
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Graduate Infinite Acceleration: What Happens at the Speed of Light?
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Undergrad Phantastic Photons: Rate of Light Emission & Laser Images
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Graduate Twin Paradox: Is Time Speeding Up?
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Graduate Is inertia relative or absolute?
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Graduate Time Dilation: The Traveller's Perspective
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Graduate What Mathematical Knowledge is Needed to Understand Einstein's Field Equations?
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Graduate Speed of photons inside a very powerful gravitational wave
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Graduate Simple Lorentz transformation. Are there objections
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Graduate Understanding Schutz's "Invariance of the Interval"
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Undergrad What Is the Linear Form of the Lorentz Transformation Equation?
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Undergrad Understanding Speed: The Science Behind Movement and Its Limitations
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Graduate Magnetic field, frames of reference
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Graduate Dark Energy as a Gravitational Field?
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Graduate Relativity and space travel - what's the problem?
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Graduate Is time an illusion, or is it a fundamental aspect of our universe?
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